For welding low-alloy and high strength steel with corresponding strength grade.
用于相同强度等级的低合金高强钢的焊接。
The results indicate that HAZ produced during welding of grade X80 steel is made up of grads structure under different temperature.
结果表明，X80级管线钢在焊接过程中形成的热影响区由不同温度下形成的梯度组织组成。
Welding electrodes and wires shall have chemical compositions and mechanical properties equal to or of higher grade than the base material.
焊条及焊丝的化学成分及机械性能应同母材的等级相同或更高。
Apply to wave soldering, welding and hot dip high-grade iron tin wire.
适用于波峰焊、热浸焊和高档引线搪锡。
Apply to the high-grade circuit boards wave soldering, welding and hot dip high-grade iron tin wire.
适用于高档电路板的波峰焊、热浸焊和高档引线搪锡。
A fuzzy multicriteria modelling method of defining a structural parameter for representing the grade of welding defect damage is presented.
提出了根据模糊综合评判、定义结构参数用以表示焊接缺陷损伤程度的方法。
Strength and bending resistance test, welding heat test and highly accelerated life test (HALT) were retested up to grade.
经瓷体强度实验、抗弯曲实验、耐焊接热实验、加速寿命实验，其各项指标均合格。
Suitable for welding of critical structures of low carbon steel and low-grade strength of low alloy.
用于焊接较重要的低碳钢结构和强度等级较低的低合金钢。
The deformability of under-matched X80 grade pipeline steel welding joint was studied through Finite Element Method.
采用有限元法对低匹配条件下x 80钢级管线钢焊接接头的变形能力进行了研究。
Industrial grade sodium alginate, the main reactive dyes for dyeing and printing and paper industry as sizing, welding rod coatings, thickening of cosmetics, detergents and so on.
工业级海藻酸钠，主要用于印染工业作为活性染料和造纸施胶、电焊条涂层、增稠化妆品、洗涤剂等。
The microstructure and properties of welded joint of EH40 grade ship steel plate by submerged-arc welding process were analyzed.
对EH40船板钢埋弧焊焊接接头的组织性能进行了试验分析。
The welding property study is conducted to high property grade X80 pipeline steel developed by Wuhan steel recently.
针对武钢新近开发的高性能X80管线钢进行了焊接性能研究。
To introduce the process of wire drawing process, chemical Cu-plating process and formulation of top grade submerged-arc welding wire for pipe line steel.
介绍管线钢用高等级埋弧焊丝拉丝工艺、化学镀铜工艺及配方。
This paper studies the tensile properties of stripe and round bar specimens for high grade(API X65~X70) spiral submerged-arc welding(SSAW) steel pipes.
通过试验研究了X65、X70级螺旋埋弧焊钢管不同拉伸试样——板状试样和圆棒试样的拉伸性能。
This paper studies the tensile properties of stripe and round bar specimens for high grade(API X65~X70) spiral submerged-arc welding(SSAW) steel pipes.
通过试验研究了X65、X70级螺旋埋弧焊钢管不同拉伸试样——板状试样和圆棒试样的拉伸性能。
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